Timken Super Precision Bearings for Machine Tool Applications

Tapered Roller Bearings
Timken Spring-Rib Bearing (not included in chart below)
• Bearing preload maintained using spring pressure.
• Available in JP5000, JP8500, JP11000 and JP17000 series.
• Ideal choice for applications with relatively constant load and speed.
• Choices of light, medium or heavy preload settings (medium is standard).
• Call for available sizes.
B
Hydra-Rib
Part Number
R
Shaft Radius
mm
in.
Mounting Dimensions
Shaft
Shoulder Dia.
mm
in.
Stiffness
r
Housing Radius K r (10 6 ) F r K a (10 6 ) F a
mm
in.
JP13049P-JP13016HR 3.0 138.0 1.0 2.78 4.99 0.200 2.50
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
0.12 5.43 0.04 15.9 1120 1.14 561
JP14043P-JP14019HR 3.0 148.0 1.0 2.75 5.06 0.406 3.62
0.12 5.83 0.04 15.7 1140 2.32 813
JP14049P-JP14019HR 3.0 152.0 1.0 2.75 5.06 0.406 3.62
0.12 5.98 0.04 15.7 1140 2.32 813
JP16043P-JP16019HR 3.0 169.0 1.0 3.16 6.09 0.441 4.24
0.12 6.65 0.04 18.0 1370 2.52 953
JP16049P-JP16019HR 3.0 172.0 1.0 3.16 6.09 0.441 4.24
0.12 6.77 0.04 18.0 1370 2.52 953
JP17049P-JP17019HR 3.0 182.0 1.0 3.36 6.29 0.432 4.19
0.12 7.17 0.04 19.2 1410 2.47 943
JP18049P-JP18019HR 3.0 193.0 1.0 3.44 6.36 0.495 4.49
0.12 7.60 0.04 19.6 1430 2.83 1010
JP20049P-JP20019HR 3.0 213.0 1.0 3.47 7.46 0.471 5.12
0.12 8.39 0.04 19.8 1680 2.69 1150
JP22049E-JP22019HR 3.0 233.0 1.0 3.93 8.08 0.644 6.09
0.12 9.17 0.04 22.4 1820 3.68 1370
JL555235-JL55512HR 4.0 293.0 4.0 6.19 11.40 0.666 6.98
0.16 11.54 0.16 35.4 2570 3.81 1570
JL555239-JL55512HR 4.0 293.0 4.0 6.19 11.40 0.666 6.98
0.16 11.54 0.16 35.4 2570 3.81 1570
kN
lbs.
A
TIMKEN MACHINE TOOL CATALOG 125